Just got a Tamron Adaptall-2 SP 70-210 #19AH. Went out to play over the weekend and for the most part this lens rivals my Vivitar S1 70-210. There is some pronounced purple CA, though, in the high contrast areas of this shot - a fault I hadn't read about in this lens.
Is there a freeware or a utility in say GIMP/ACDSee/IrfanView that can clean this up? Or is there better technique (better DoF planning, etc.)?
I thought I read a discussion here about a year ago but I can't find the thread.
100% Crop K10D 1/125 f/13 Manual ISO 100 Multi-Segment Metering +/-O EV bias Polariser
Images are unprocessed.except resize
Last edited by monochrome; 09-08-2009 at 06:09 PM.